CVE-2020-25862
High
Description
In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.
SeverityHigh
CVSS7.5
Exploit probability84. percentile2.4%
Product
Wireshark
PublishedOct 6, 2020
First seenOct 6, 2020
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wireshark wireshark | 2.6.0 ≤ v ≤ 2.6.20, 3.0.0 ≤ v ≤ 3.0.13, 3.2.0 ≤ v ≤ 3.2.6 | — |
| fedoraproject fedora | 31, 32, 33 | — |
| opensuse leap | 15.1, 15.2 | — |
| debian debian_linux | 9.0 | — |
| oracle zfs_storage_appliance_firmware | 8.8 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.